GeForce RTX 4090 Mobile and Radeon 780M - video card comparison
GeForce RTX 4090 Mobile
Radeon 780M
Architecture
Ada Lovelace
RDNA 3
GPU code name
GN21-X11
Phoenix
Market segment
Laptop
Laptop
Release date
January 2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
2040 MHz
3000 MHz
Core clock speed
-
1500 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
45,900 million
25,390 million
Pipelines / CUDA cores
9728
768
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
54 Watt (35 - 54 Watt TGP)
Texture fill rate
515.3
139.2
Memory type
GDDR6
System Shared
Maximum RAM amount
16 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
20000 MHz
System Shared
Memory bandwidth
576.0 GB/s
-
Shared memory
-
+
Display Connectors
Portable Device Dependent
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3